CN2872494Y - Carrier telecommunication transceiver of power-supply line - Google Patents

Carrier telecommunication transceiver of power-supply line Download PDF

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Publication number
CN2872494Y
CN2872494Y CN 200520048323 CN200520048323U CN2872494Y CN 2872494 Y CN2872494 Y CN 2872494Y CN 200520048323 CN200520048323 CN 200520048323 CN 200520048323 U CN200520048323 U CN 200520048323U CN 2872494 Y CN2872494 Y CN 2872494Y
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circuit
microprocessor
pin
signal
resistance
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杨华
虞瑞鹤
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Abstract

The utility model relates to a transceiver of power line carrier communication, which comprises a signal transmission circuit, a signal reception circuit, a signal synchronization circuit, a microprocessor control circuit, a drive circuit, and a power supply circuit. The transceiver of power line carrier communication is characterized in that: the transceiver consists of a microprocessor control circuit, a signal transmission circuit connected to the output of microprocessor control circuit, signal reception circuits of a plurality of outputs respectively connected to the microprocessor control circuits, a signal synchronization circuit, and a driver circuit connected with the microprocessor. The data signal transmitted by the microprocessor control circuit is loaded to the power line through controlled impulse carrier waves, receiving data signals synchronously, and bi-directionally transmitting data and orders through expanded multi-channel control, display circuit, and various electrical devices. The utility model has advantages of long transmission distance, little attenuation, reliable transmission signal, fast communication speed, strong compatibility, and capability of controlling 64,000 different devices, thus realizing single point-to-point control or group control, wide application, convenient installation and usage, as well as low cost.

Description

The power line carrier communication transceiver
Technical field
The utility model relates to a kind of transceiver that is used for the electric equipment underwater acoustic remote control, is specifically related to a kind of power line carrier communication transceiver that digital signal is communicated to the 220V line of electric force by controlled pulse carrier.
Background technology
See also shown in Figure 1ly, this is a kind of circuit theory diagrams that are used for in-plant power line carrier communication transmission circuit of prior art.This transmission circuit 10 is made up of signal transmission circuit 11, signal receiving circuit 12, signal synchronization circuit 13, microprocessor control circuit 14, driving circuit 15 and power circuit 16.
A kind of shortcoming that is used for in-plant power line carrier communication transmission circuit of above-mentioned prior art is: owing to adopt the carrier signal of single 120KHz, the carrier frequency height, distance is far away more, signal attenuation is big more, and therefore, antijamming capability is very poor, transmitting range is very near, can only be in 100 meters; Because the circuit structure complexity needs all T1 in the manual shift, circuit working poor stability; Because can not frequency conversion, therefore very easily be interfered and can't operate as normal.
See also shown in Figure 2ly, this is the electrical schematic diagram of the another kind of spread spectrum formula of prior art power line carrier communication transmission circuit.This transmission circuit 20 is made up of signal transmission circuit 21, signal receiving circuit 22, microprocessor control circuit 23, carrier current channel 24 and power circuit 25.
The shortcoming of the another kind of spread spectrum formula of above-mentioned prior art power line carrier communication transmission circuit 20 is: because the frequency of carrier signal that adopts is higher, distance is far away more, and signal attenuation is big more, and therefore, antijamming capability is very poor, and transmitting range is very near; Because circuit structure is too complicated, manufacturing, debugging, maintenance cost height.
Summary of the invention
The purpose of this utility model is to provide a kind of power line carrier communication transceiver, it can carry out bi-directional transfer of data and order with electric equipment by controlled pulse carrier with digital signal to the 220V line of electric force, it is little that this power line carrier communication transceiver has the frequency decay, propagation distance is far away, have superpower system stability and reliability, compatible strong, communication speed is fast, 64000 different equipment of may command; Realize the control of single point-to-point or cohort, be widely used that install and use easyly, cost is low.
The purpose of this utility model is achieved in that
A kind of power line carrier communication transceiver comprises: the power circuit of each circuit is formed in signal transmission circuit, signal receiving circuit, signal synchronization circuit, microprocessor control circuit, driving circuit and the connection transceiver; Be characterized in:
The output terminal of described microprocessor control circuit connects signal transmission circuit, and the data-signal that microprocessor control circuit is sent is loaded on line of electric force L, the N by signal transmission circuit; A plurality of input ends of microprocessor control circuit connect signal receiving circuit, signal synchronization circuit respectively, the synchronous receiving data signal; Microprocessor control circuit is connected with driving circuit, by driving circuit and each electric equipment bi-directional transfer of data and order.
In above-mentioned power line carrier communication transceiver, wherein, described signal transmission circuit is made up of capacitor C 13 between L, the N end of controllable silicon Q1, the output terminal that is serially connected in controllable silicon Q1 and alternating current 220V and the resistance R 3 between inductance L 2, the input end that is serially connected in controllable silicon Q1 and microprocessor control circuit (34) output terminal.
In above-mentioned power line carrier communication transceiver, wherein, described signal receiving circuit is made up of capacitor C 5, C6, C7, C8, inductance L 3, L4, L5, resistance R 4, R5; Capacitor C 5, inductance L 3, capacitor C 7, resistance R 4 are serially connected between the input end of power circuit and microprocessor control circuit 34 successively, inductance L 4 and capacitor C 6 are attempted by between the contact and GND of inductance L 3 and inductance L 5, and resistance R 5 and capacitor C 8 are attempted by between resistance R 4 other ends and the GND; The carrier signal that receives is carried out filtering, the input microprocessor control circuit.
In above-mentioned power line carrier communication transceiver, wherein, described signal synchronization circuit is made up of diode D3, resistance R 1 and resistance R 2; Be connected resistance R 2 between diode D3 anode and synchronous signal output end, diode D3 negative terminal is connected with power supply VCC; Resistance R 1 one ends are connected with the L end of alternating current 220V, and the anode of the other end of resistance R 1 and diode D3, resistance R 2 one ends and microprocessor control circuit input end also connect.
In above-mentioned power line carrier communication transceiver, wherein, described microprocessor control circuit is made up of the crystal oscillating circuit of microprocessor IC1,17 pin that are connected microprocessor IC1,18 pin, the resistance R 8 that is connected 13 pin of microprocessor IC1; This crystal oscillating circuit is made of crystal oscillator Y1 and the capacitor C 9, the C10 that are connected to crystal oscillator Y1 two ends, 12 pin of microprocessor IC1 are connected with the resistance R 3 of signal transmission circuit, 19 pin of microprocessor IC1 and the resistance R 5 of signal receiving circuit, capacitor C 8, resistance R 4 also connect, and the diode D3 anode of 4 pin of microprocessor IC1 and signal synchronization circuit, resistance R 1, R2 one end also connect.
In above-mentioned power line carrier communication transceiver, wherein, described driving circuit is made of microprocessor IC2,6 pin of microprocessor IC2 are connected with the other end of the resistance R 8 of microprocessor control circuit, and 4 pin of microprocessor IC2 are connected with 14 pin of the microprocessor IC1 of microprocessor control circuit.
In above-mentioned power line carrier communication transceiver, wherein, also comprise a control and a display circuit, electric control of described family and display circuit are made up of pushbutton switch circuit, light emitting diode display circuit, control relay circuit, SCR control circuit; The output terminal of pushbutton switch circuit is connected with the input end of microprocessor IC1; Light emitting diode display circuit is connected with the output terminal of microprocessor IC1; Control relay circuit is connected with the control signal output ends of microprocessor IC2, and the control relay circuit output terminal is connected with the control end of motor T1; The SCR control circuit is connected with the control signal output ends of microprocessor IC2, and the SCR control circuit output end is connected with pilot lamp P1.
In above-mentioned power line carrier communication transceiver, wherein, also comprise expanded type multi-path control and display circuit, described expanded type multi-path control and display circuit are made up of pushbutton switch circuit, light emitting diode display circuit and expanded type microprocessor control circuit; The output terminal of pushbutton switch circuit is connected with the input end of microprocessor IC1, light emitting diode display circuit is connected with the output terminal of microprocessor IC1, and a plurality of data communication interfaces of expanded type microprocessor control circuit communication interface, signal synchronization circuit of microprocessor IC1, IC2 respectively connect.
In above-mentioned power line carrier communication transceiver, wherein, described expanded type microprocessor control circuit is made up of microprocessor IC3, pushbutton switch S5, LED 22, resistance R 22 and hummer F; Microprocessor IC3 input end 2 pin are connected with pushbutton switch S5, microprocessor IC3 output terminal 3 pin are connected with the anode of LED 22, series resistor R22 between the negative terminal of LED 22 and the GND, 4 pin of microprocessor IC3 are connected with an end of the resistance R 2 of signal synchronization circuit, 6 pin of microprocessor IC3,5 pin are connected with 13 pin of microprocessor IC1,4 pin of microprocessor IC2 respectively, 7 pin of microprocessor IC3 are connected with 1 pin of hummer F, and 2 pin of hummer F are connected with GND.
The utility model power line carrier communication transceiver makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1. the utility model is because the radiating circuit that is provided with, the pulse of sending is that the controlled pulse signal carrier that a frequency is in 4-40KHz communicates to the 220V line of electric force, the percentile reliability of the correct transmitting-receiving of signal transmission is more than 99.9%, so the reliability height, and the reliability of products of prior art can only reach 70%~80%.
2. the utility model be because signaling rate can be finished 10 complete instructions p.s., and average every instruction is from being transmitted into execution within 0.1 second, thereby makes communication speed faster.
3. the utility model is owing to be provided with by microprocessor to be main driving circuit and the computer interface circuit that constitutes, to design it and allow two-way communication in hardware, software and agreement that the utility model can be realized two-way communication in the computer network thus.
4. the utility model is owing to be provided with 64000 address codes (and the prior art transmission circuit has only 256 address codes), and a transmitter can be controlled nearly 64000 different equipment, and is applied to network after can encrypting, thus not only safety and efficient height.
5. the utility model is owing to adopted and broadband, narrow frequency and the diverse frequency range 4-40KHz of spread spectrum, and therefore, compatibility is strong.
6. but the utility model can be realized single point-to-point or cohort control thus, thereby can be widely used in home network owing to two-way communication, light control, high voltage control, household automation, wireless remote control control, safety guard, home theater and the Internet control etc.
In the utility model power line carrier communication transceiver owing to be provided with tame electric control and display circuit, therefore, can realize the control of carrier wave remote teleswitch.
In the utility model power line carrier communication transceiver owing to be provided with button and pilot lamp display circuit, can allow the power line carrier communication transceiver transmit, control multiple power line carrier communication receiver, thereby finish control to electric equipment; Because signal is a transmitted in both directions, can finish Remote, the state of remote monitoring electrical equipment, the long-range physical address that the power line carrier communication transceiver is set, the long-range scene that is provided with, numerous functions such as remote diagnosis controlled device fault.
In the utility model power line carrier communication transceiver owing to be provided with the computer interface circuit, microprocessor is compiled as the discernible communication format data of computing machine with communication data, thereby can realize the control of outer computer to intelligent appliance equipment.
10. the utility model does not need the integrated circuit of special-purpose owing to adopt general microprocessor, standard cell designs circuit, can be mass-produced, and effectively reduces cost; Owing to adopt the power line signal transmission, do not need rewiring, thereby can save installation cost simultaneously.
Description of drawings
By the description of following some embodiment to the utility model power line carrier communication transceiver, can further understand the purpose of this utility model, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the circuit theory diagrams that prior art is used for in-plant power line carrier communication transmission circuit;
Fig. 2 is the circuit theory diagrams of prior art spread spectrum formula power line carrier communication transmission circuit;
Fig. 3 is the circuit block diagram of the utility model power line carrier communication transceiver;
Fig. 4 is the circuit theory diagrams of the utility model power line carrier communication transceiver;
Fig. 5 is control and the display circuit schematic diagram that the utility model power line carrier communication transceiver first embodiment is used for household electrical appliances;
Fig. 6 is expanded type multi-path control and the display circuit schematic diagram that the utility model power line carrier communication transceiver second embodiment is used for plurality of devices.
Embodiment
See also shown in Figure 3ly, this figure is the circuit block diagram of the utility model power line carrier communication transceiver.The utility model power line carrier communication transceiver comprises: the power circuit 36 of each circuit is formed in signal transmission circuit 31, signal receiving circuit 32, signal synchronization circuit 33, microprocessor control circuit 34, driving circuit 35 and the connection transceiver; The output terminal of microprocessor control circuit 34 connects signal transmission circuit 31, and the data-signal that microprocessor control circuit 34 is sent is loaded on line of electric force L, the N by signal transmission circuit 31; A plurality of input ends of microprocessor control circuit 34 connect signal receiving circuit 32, signal synchronization circuit 33, synchronous receiving data signal respectively; Microprocessor 34 and 35 two-way connections of driving circuit are by driving circuit 35 and electric equipment bi-directional transfer of data and order.
See also shown in Figure 4, this figure is the circuit theory diagrams of the utility model power line carrier communication transceiver, the utility model power line carrier communication transceiver comprises: the power circuit 36 of each circuit is formed in signal transmission circuit 31, signal receiving circuit 32, signal synchronization circuit 33, microprocessor control circuit 34, driving circuit 35 and the connection transceiver; Signal transmission circuit 31 is made up of capacitor C 13 between L, the N end of controllable silicon Q1, the output terminal that is serially connected in controllable silicon Q1 and alternating current 220V and the resistance R 3 between inductance L 2, the input end that is serially connected in controllable silicon Q1 and microprocessor control circuit 34 output terminals.Signal transmission circuit 31 functions are that data-signal is loaded on the line of electric force, C13 charges by bidirectional triode thyristor Q1 control capacitance, then in precise time very with the electric charge abrupt release of electric capacity to line of electric force, form a very narrow controlled pulse signal and send.
Signal receiving circuit 32 is made up of capacitor C 5, C6, C7, C8, inductance L 3, L4, L5, resistance R 4, R5; Capacitor C 5, inductance L 3, capacitor C 7, resistance R 4 are serially connected between the input end of power circuit 36 and microprocessor control circuit 34 successively, inductance L 4 and capacitor C 6 are attempted by between the contact and GND of inductance L 3 and capacitor C 7, and resistance R 5 and capacitor C 8 are attempted by between resistance R 4 other ends and the GND; The carrier signal that receives is carried out filtering, input microprocessor control circuit 34.The signal that signal receiving circuit 32 receives by bandpass filtering, carries out filtering, input microprocessor control circuit 34 with the useful pulse signal of 4-40KHz.
Signal synchronization circuit 33 is made up of diode D3, resistance R 1 and resistance R 2; Be connected resistance R 2 between diode D3 anode and synchronous signal output end, diode D3 negative terminal is connected with power supply VCC; Resistance R 1 one ends are connected with the L end of alternating current 220V, and the anode of the other end of resistance R 1 and diode D3, resistance R 2 one ends and microprocessor control circuit 34 input ends also connect.Signal synchronization circuit 33 extracts crossover point signal from the L of alternating current 220V end, by resistance R 1 step-down current limliting, makes the signal clamper at+5V, and output square wave synchronizing signal is to microprocessor IC1, be used for data signal transmission synchronously.
Microprocessor control circuit 34 is made up of the crystal oscillating circuit of microprocessor IC1,17 pin that are connected microprocessor IC1,18 pin, the resistance R 8 that is connected 13 pin of microprocessor IC1; This crystal oscillating circuit is made of crystal oscillator Y1 and the capacitor C 9, the C10 that are connected to crystal oscillator Y1 two ends, 12 pin of microprocessor IC1 are connected with the resistance R 3 of signal transmission circuit 31,19 pin of microprocessor IC1 and the resistance R 5 of signal receiving circuit 32, capacitor C 8, resistance R 4 also connect, and the diode D3 anode of 4 pin of microprocessor IC1 and signal synchronization circuit 33, resistance R 1, R2 one end also connect.7 pin of microprocessor IC1,8 pin, 9 pin, 10 pin are the input signal ports that connect external keyboard, 3 pin of microprocessor IC1,20 pin are the output drive signal ports that connect external light-emitting LED, and 13 pin of microprocessor IC1 are to connect the external communication interface end.
The function of microprocessor control circuit 34 are demodulate reception to pulse signal, pulse signal is carried out the digitizing decoding; Automatic transmit coded signals; Accept the keyboard response signal; Send the drive signal of light emitting diode; The driving circuit of external equipment, the control external unit; The datel circuit of external computing machine can carry out the transmission of digital signal and order and the encoding and decoding of digital signal with computing machine.
Driving circuit 35 is made of microprocessor IC2, and 6 pin of microprocessor IC2 are connected with the other end of the resistance R 8 of microprocessor control circuit 34, and 4 pin of microprocessor IC2 are connected with 14 pin of the microprocessor IC1 of microprocessor control circuit 34.1 pin of microprocessor IC2,3 pin are the control signal output ends that drive external equipment T1, T2.
The driving circuit 35 and the microprocessor IC1 of external equipment communicate, judge whether to carry out the driving of peripherals, and peripherals (for example controllable silicon, relay etc.) carried out width modulation drives and the driving of high electronegative potential, dim etc. thereby the accent of control apparatus switch, light is bright.
Power circuit 36 is used the capacitance decompression method, for internal circuit provides+5V voltage, for external circuit provides+12V voltage.
In Fig. 4, interfaces for external devices comprises: ZERO-OUT is that synchronous waves output interface, K0-K3 are for connecting external keyboard interface, LED1 and LED2 for being connected outside two utmost point luminotron interfaces, SCL and SDA for being connected microprocessor data communication interface, T1 and T2 for being connected external apparatus interface.
See also shown in Figure 5ly, this is control and display circuit schematic diagram that the utility model power line carrier communication transceiver first embodiment is used for household electrical appliances.In the present embodiment, circuit theory diagrams and Fig. 4 of power line carrier communication transceiver 30 are identical, and control and display circuit 37 are made up of pushbutton switch circuit 371, light emitting diode display circuit 372, control relay circuit 373, SCR control circuit 374; The output terminal of pushbutton switch circuit 371 is connected with the input end of microprocessor IC1; Light emitting diode display circuit 372 is connected with the output terminal of microprocessor IC1, and control relay circuit 373 is connected with the control signal output ends of microprocessor IC2, and control relay circuit 373 output terminals are connected with the control end of motor T1; SCR control circuit 374 is connected with the control signal output ends of microprocessor IC2, and SCR control circuit 374 output terminals are connected with lamp LAMP1.
In this first embodiment, the pushbutton switch circuit 371 of control and display circuit 37 is made up of pushbutton switch S0, S1; The end of pushbutton switch S0, S1 is connected with 7 pin, 8 pin of microprocessor IC1 respectively, and the other end of pushbutton switch S0, S1 is connected with GND.
Light emitting diode display circuit 372 is made up of LED 20, LED21, resistance R 20, R21; The negative terminal of LED 20, LED21 is connected with 3 pin, 20 pin of microprocessor IC1 respectively, and the end of resistance R 20, R21 is connected with the positive pole of LED 20, LED21 respectively, and the other end of resistance R 20, R21 is connected with VCC.
Control relay circuit 373 is by driving triode Q2, diode D10, relay R Y1, RY2, resistance R 10, R12, forming; The base stage that drives triode Q2 is connected with an end of resistance R 10, the other end of resistance R 10 connects with 3 pin that are connected microprocessor IC2, drive the grounded emitter of triode Q2, the collector that drives triode Q2 is connected with an end of resistance R 12, one end of the other end of resistance R 12 and relay R Y1 coil and the anode of diode D10 also connect, the other end of relay R Y1 coil is connected with diode D10 negative terminal, and the two ends of relay R Y1 are connected with the control end of external motor, the L end of alternating current 220V respectively.
SCR control circuit 374 is made up of photoelectrical coupler OP2, controllable silicon T12, resistance R 16, R17; Series resistor R16 between 2 pin of 1 pin of microprocessor IC2 and photoelectrical coupler OP2, series resistor R17 between 1 pin of 3 pin of photoelectrical coupler OP2 and controllable silicon T12, the control end of 1 pin of controllable silicon T12 and an end of resistance R 17 and external modulation LAMP1 also connects; 1 pin of photoelectrical coupler OP2 and ground also connect, and 4 pin of photoelectrical coupler OP2 are connected with 2 pin of controllable silicon T12 respectively, and 3 pin of controllable silicon T12 are connected with the L of alternating current end.
In this first embodiment, control and the display circuit 37 of the utility model power line carrier communication transceiver by being used for household electrical appliances, can realize the control of the switching value of lamp LAMP1 and motor MOT1, LED 20 and LED21 can display lamp LAMP1 and the state of motor MOT1, S0 and S1 are hand switch, are used for the Kai Heguan of hand switch LAMP1 and MOT1.
Because the utility model power line carrier communication transceiver is connected with display circuit 37 with the control that is used for household electrical appliances, therefore can realize the control of carrier wave remote teleswitch LAMP1 and MOT1, the state of remote monitoring teleswitch LAMP1 and MOT1, long-range numerous functions such as physical address that teleswitch LAMP1 and MOT1 are set.
See also shown in Figure 6ly, this is that Fig. 6 is expanded type multi-path control and the display circuit schematic diagram that the utility model power line carrier communication transceiver second embodiment is used for plurality of devices.In the present embodiment, circuit theory diagrams and Fig. 4 of power line carrier communication transceiver are identical, and expanded type multi-path control and display circuit 38 are made up of pushbutton switch circuit 381, light emitting diode display circuit 382 and expanded type microprocessor control circuit 383; The output terminal of pushbutton switch circuit 381 is connected with the input end of microprocessor IC1, light emitting diode display circuit 382 is connected with the output terminal of microprocessor IC1, and a plurality of data communication interfaces of expanded type microprocessor control circuit 383 communication interface, signal synchronization circuit 33 of microprocessor IC1, IC2 respectively connect.
In this second embodiment, the pushbutton switch circuit 381 of expanded type multi-path control and display circuit 38 is made up of pushbutton switch S0, S1, S2, S3; The end of pushbutton switch S0, S1, S2, S3 is connected with 7 pin, 8 pin, 9 pin, 10 pin of microprocessor IC1 respectively, and the other end of pushbutton switch S0, S1, S2, S3 is connected with GND.
Light emitting diode display circuit 382 is made up of LED 20, LED21, resistance R 20, R21; The negative terminal of LED 20, LED21 is connected with 3 pin, 20 pin of microprocessor IC1 respectively, and the end of resistance R 20, R21 is connected with the positive pole of LED 20, LED21 respectively, and the other end of resistance R 20, R21 is connected with VCC.
Expanded type microprocessor control circuit 383 is made up of microprocessor IC3, pushbutton switch S5, LED 22, resistance R 22 and hummer F; Microprocessor IC3 input end 2 pin are connected with pushbutton switch S5, microprocessor IC3 output terminal 3 pin are connected with the anode of LED 22, series resistor R22 between the negative terminal of LED 22 and the GND, 4 pin of microprocessor IC3 are connected with an end of the resistance R 2 of signal synchronization circuit 33,6 pin of microprocessor IC3,5 pin are connected with 13 pin of microprocessor IC1,4 pin of microprocessor IC2 respectively, 7 pin of microprocessor IC3 are connected with 1 pin of hummer F, and 2 pin of hummer F are connected with GND.
In this second embodiment, can allow the power line carrier communication transceiver transmit by button S0-S3, control multiple power line carrier communication receiver, thereby finish control electrical equipment; LED 20 and LED21 are pilot lamp, are used for whether indicator signal launches or whether execution etc. of receiver.In Application Example two, because signal is a transmitted in both directions, so can finish Remote, the state of remote monitoring electrical equipment, the long-range physical address that the power line carrier communication transceiver is set, the long-range scene that is provided with, numerous functions such as remote diagnosis controlled device fault; Can expand team control, audible alarm and indicated number multichannel control circuit by microprocessor IC3.
The communication means of the utility model power line carrier communication transceiver is a kind of a kind of technology that digital signal is communicated to original 220V line of electric force by controlled pulse carrier in the power line communication bussing technique.The pulsed communication mode of power line carrier communication transceiver is by being full of electric charge to electric capacity in signal transmission circuit, then in very accurate setting-up time with the abrupt release of the electric charge of electric capacity to line of electric force, form a very narrow controlled pulse signal.Per half line of electric force sine wave period can be propagated a pulse signal of power line carrier communication transceiver, an interval during each pulse just in time appears between four lane place that defined.Numeral 0,1,2,3 is represented in these four positions that define.Use this modulator approach, every half period can be transmitted the information of 2 bits, transmits the information of 200 bits when being used on the line of electric force of 50Hz a second.With emission of the utility model power line carrier communication transceiver or reception data-signal, can improve communication efficiency, reduce the bit error rate, can correctly reliably send data and instruction, control various intelligent external units and electrical equipment.Therefore the utility model power line carrier communication transceiver can be surveyed and analyze the pulse signal of power line carrier communication transceiver very easily and be compiled into numerical information.
After tested, the frequency spectrum contrast back of prior art transceiver and the utility model power line carrier communication transceiver is found, the pulse signal frequency of the utility model power line carrier communication transceiver emission is in the controlled pulse signal of 4-40KHz, the pulse signal that is used for in-plant power line carrier communication transmission circuit emission of prior art, frequency is in 100-125KHz, and the frequency of the spread spectrum formula power line carrier communication transmission circuit emission carrier signal of prior art is in 100-400KHz.
Because the pulse signal square wave of prior art transceiver and the utility model power line carrier communication transceiver is in different frequency, signal attenuation changes explanation: the pulse that the utility model power line carrier communication transceiver sends is the controlled pulse signal that a frequency is in 4-40KHz, therefore the frequency decay is very little, and propagation distance just can be far; And the carrier signal of the carrier signal that is used for in-plant power line carrier communication transmission circuit emission of prior art and the emission of spread spectrum formula power line carrier communication transmission circuit, frequency is in 100-400KHz, the frequency decay is very big, can cause remote transmission signal unreliable, therefore, can only be used for closely receiving and transmitting signal.
The utility model power line carrier communication transceiver technologies will be applied to the Long-distance Control of the large-scale businessfice of 380V three-phase electricity light, not only the light group control is stable, can also save a large amount of electric energy for large-scale businessfice (as stadium, gymnasium and gymnasium).The utility model power line carrier communication transceiver technologies advantage do not need to be rewiring, just can carry out the control of various ways and multi-form installation to each fixing controlled point.The utility model power line carrier communication transceiver technologies will be applied to comprise the make a copy for equipment of resource management system of three tables, and the utility model technology is integrated in dwelling house with in the instrument, can long-rangely read state of electronic equipment.
In sum, the pulse that the utility model power line carrier communication transceiver sends is that the controlled pulse signal carrier that a frequency is in 4-40KHz communicates to original 220V line of electric force, therefore the frequency decay is very little, propagation distance is far away, have superpower system stability and reliability, compatible strong, communication speed is fast, 64000 different equipment of may command; Because but therefore two-way communication, can realize single point-to-point or cohort control, thereby can be widely used in home network, light control, high voltage control, household automation, wireless remote control control, security protection, home theater and the Internet control or the like.The utility model adopts universal elements, can be mass-produced, and effectively reduces cost; During installation, do not need rewiring, also can save installation cost; Configuration the utility model can reduce equipment cost and enhanced system is reliable in intelligent equipment.

Claims (9)

1. a power line carrier communication transceiver comprises: power circuit (36) composition of each circuit in signal transmission circuit (31), signal receiving circuit (32), signal synchronization circuit (33), microprocessor control circuit (34), driving circuit (35) and the connection transceiver; It is characterized in that:
The output terminal of described microprocessor control circuit (34) connects signal transmission circuit (31), and the data-signal that microprocessor control circuit (34) is sent is loaded on line of electric force L, the N by signal transmission circuit (31); A plurality of input ends of microprocessor control circuit (34) connect signal receiving circuit (32), signal synchronization circuit (33), synchronous receiving data signal respectively; Microprocessor control circuit (34) is connected with driving circuit (35), by driving circuit (35) and each electric equipment bi-directional transfer of data and order.
2. power line carrier communication transceiver as claimed in claim 1 is characterized in that: described signal transmission circuit (31) is made up of capacitor C 13 between L, the N end of controllable silicon Q1, the output terminal that is serially connected in controllable silicon Q1 and alternating current 220V and the resistance R 3 between inductance L 2, the input end that is serially connected in controllable silicon Q1 and microprocessor control circuit (34) output terminal.
3. power line carrier communication transceiver as claimed in claim 1 is characterized in that: described signal receiving circuit (32) is made up of capacitor C 5, C6, C7, C8, inductance L 3, L4, L5, resistance R 4, R5; Capacitor C 5, inductance L 3, capacitor C 7, resistance R 4 are serially connected between the input end of power circuit (36) and microprocessor control circuit 34 successively, inductance L 4 and capacitor C 6 are attempted by between the contact and GND of inductance L 3 and inductance L 5, and resistance R 5 and capacitor C 8 are attempted by between resistance R 4 other ends and the GND; The carrier signal that receives is carried out filtering, input microprocessor control circuit (34).
4. power line carrier communication transceiver as claimed in claim 1 is characterized in that: described signal synchronization circuit (33) is made up of diode D3, resistance R 1 and resistance R 2; Be connected resistance R 2 between diode D3 anode and synchronous signal output end, diode D3 negative terminal is connected with power supply VCC; Resistance R 1 one ends are connected with the L end of alternating current 220V, and the anode of the other end of resistance R 1 and diode D3, resistance R 2 one ends and microprocessor control circuit (34) input end also connect.
5. power line carrier communication transceiver as claimed in claim 1 is characterized in that: described microprocessor control circuit (34) is made up of the crystal oscillating circuit of microprocessor IC1,17 pin that are connected microprocessor IC1,18 pin, the resistance R 8 that is connected 13 pin of microprocessor IC1; This crystal oscillating circuit is made of crystal oscillator Y1 and the capacitor C 9, the C10 that are connected to crystal oscillator Y1 two ends, 12 pin of microprocessor IC1 are connected with the resistance R 3 of signal transmission circuit (31), the resistance R 5 of 19 pin of microprocessor IC1 and signal receiving circuit (32), capacitor C 8, resistance R 4 also connect, and the diode D3 anode of 4 pin of microprocessor IC1 and signal synchronization circuit (33), resistance R 1, R2 one end also connect.
6. power line carrier communication transceiver as claimed in claim 1, it is characterized in that: described driving circuit (35) is made of microprocessor IC2,6 pin of microprocessor IC2 are connected with the other end of the resistance R 8 of microprocessor control circuit (34), and 4 pin of microprocessor IC2 are connected with 14 pin of the microprocessor IC1 of microprocessor control circuit (34).
7. power line carrier communication transceiver as claimed in claim 1, it is characterized in that: also comprise a control and a display circuit (37), electric control of described family and display circuit (37) are made up of pushbutton switch circuit (371), light emitting diode display circuit (372), control relay circuit (373), SCR control circuit (374); The output terminal of pushbutton switch circuit (371) is connected with the input end of microprocessor IC1; Light emitting diode display circuit (372) is connected with the output terminal of microprocessor IC1; Control relay circuit (373) is connected with the control signal output ends of microprocessor IC2, and control relay circuit (373) output terminal is connected with the control end of motor T1; SCR control circuit (374) is connected with the control signal output ends of microprocessor IC2, and SCR control circuit (374) output terminal is connected with pilot lamp P1.
8. power line carrier communication transceiver as claimed in claim 1, it is characterized in that: also comprise expanded type multi-path control and display circuit (38), described expanded type multi-path control and display circuit (38) are made up of pushbutton switch circuit (381), light emitting diode display circuit (382) and expanded type microprocessor control circuit (383); The output terminal of pushbutton switch circuit (381) is connected with the input end of microprocessor IC1, light emitting diode display circuit (382) is connected with the output terminal of microprocessor IC1, and a plurality of data communication interfaces of expanded type microprocessor control circuit (383) communication interface, signal synchronization circuit (33) of microprocessor IC1, IC2 respectively connect.
9. power line carrier communication transceiver as claimed in claim 8 is characterized in that: described expanded type microprocessor control circuit (383) is made up of microprocessor IC3, pushbutton switch S5, LED 22, resistance R 22 and hummer F; Microprocessor IC3 input end 2 pin are connected with pushbutton switch S5, microprocessor IC3 output terminal 3 pin are connected with the anode of LED 22, series resistor R22 between the negative terminal of LED 22 and the GND, 4 pin of microprocessor IC3 are connected with an end of the resistance R 2 of signal synchronization circuit (33), 6 pin of microprocessor IC3,5 pin are connected with 13 pin of microprocessor IC1,4 pin of microprocessor IC2 respectively, 7 pin of microprocessor IC3 are connected with 1 pin of hummer F, and 2 pin of hummer F are connected with GND.
CN 200520048323 2005-12-30 2005-12-30 Carrier telecommunication transceiver of power-supply line Expired - Fee Related CN2872494Y (en)

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CN 200520048323 CN2872494Y (en) 2005-12-30 2005-12-30 Carrier telecommunication transceiver of power-supply line

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Application Number Priority Date Filing Date Title
CN 200520048323 CN2872494Y (en) 2005-12-30 2005-12-30 Carrier telecommunication transceiver of power-supply line

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CN2872494Y true CN2872494Y (en) 2007-02-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108240847A (en) * 2018-01-25 2018-07-03 宁波水表股份有限公司 A kind of light button with communication function and the intellectual water meter with light button

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108240847A (en) * 2018-01-25 2018-07-03 宁波水表股份有限公司 A kind of light button with communication function and the intellectual water meter with light button

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